<!doctype html>
<meta charset="utf-8">
<title></title>
<link rel="match" href="intrinsic_border_box_ref.html">
<style>
 .outer {
     float: left;
     box-sizing: border-box;
     padding: 0 50px;
 }
 .inner {
     float: left;
     width: 100px;
     height: 30px;
     background: orange;
 }
</style>
<div class="outer"><div class="inner"></div></div>
<div class="outer"><div class="inner"></div></div>
